(19)

(11)

EP 2 567 018 A2

(12)

(88) Date of publication A3: 21.06.2012 (43) Date of publication: 13.03.2013 Bulletin 2013/11 (21) Application number: 11777578.3 (22) Date of filing: 04.05.2011

(51) International Patent Classification (IPC):  D06F 58/28(2006.01) (86) International application number: PCT/KR2011/003348 (87) International publication number: WO 2011/139097 (10.11.2011 Gazette 2011/45)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 02.09.2010 KR 20100085893 22.07.2010 KR 20100070852 19.07.2010 KR 20100069514 07.05.2010 KR 20100042799 04.05.2010 KR 20100042000 (71) Applicant: LG Electronics Inc. Seoul 150-721 (KR)	(72) Inventors: KIM, Donghyun Seoul 153-802 (KR) KO, Hyojin Seoul 153-802 (KR) LEE, Sangik Seoul 153-802 (KR) KIM, Jeongyun Seoul 153-802 (KR) (74) Representative: Urner, Peter  ter Meer Steinmeister & Partner GbR Mauerkircherstrasse 45 81679 München 81679 München (DE)